The avalanche information center issued a special advisory, warning of dangerous conditions in Steamboat and the Flat Tops; Front Range; Vail and Summit County; Aspen; Gunnison; and the northern San Juan, southern San Juan and Sawatch mountain ranges.

More snow is in the mountain weather forecast later this week, Logan said.

"We are looking at continuing serious problems — avoid traveling in or below steep slopes," Logan said. "You are going to want to be very careful about where you're going in the backcountry."